OT-2026-000002144
Publication integrity record
Fluidic tactile sensor
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000002144) never changes.
Identity and time
| Publication number | OT-2026-000002144 · never reused |
|---|---|
| Internal UUID | 01a0a67a-dc86-705a-b14c-7f3fd1e9dfc5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:11:04.839185Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002144 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9edffd7e0763d043276b74a565c9384bc1fa70976a406b47715159cf4897679a |
|---|---|
| Markdown | df2c1518c220864288ef41d7b14e063197cb6c98194835c2de78297bbf53d733 |
| Publication page | a37c8574123ee1a168dca26cb76d35e42aa1c607ef900bbed8722053ada14270 |
| Manifest | eb54dad3c99a9551be128b903b498eab4618eb341ea6be9354e9a8c878e19595 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | NkTGERbDye95AU5ez5755FyDveqm/VrjhkGcTkrVonZGDowjv7MS160PYR1MA7t1NH6NwM2q/YHODOOJlk5bDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-09-16T12:42:03.487547Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002144observed a37c8574123ee1a168dca26cb76d35e4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T12:42:03.271048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002144/manifest.jsonobserved eb54dad3c99a9551be128b903b498eab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:42:02.945818Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002144/publication.mdobserved df2c1518c220864288ef41d7b14e0631...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:42:02.574336Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002144/publication.txtobserved 9edffd7e0763d043276b74a565c9384b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:20.429029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002144observed a37c8574123ee1a168dca26cb76d35e4...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:20.398914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002144/manifest.jsonobserved eb54dad3c99a9551be128b903b498eab...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:20.384773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002144/publication.txtobserved 9edffd7e0763d043276b74a565c9384b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|